Michael Efroimsky (Russian: Михаил Эфроимский) is an American astronomer of Russian origin. His research interests are in celestial mechanics and relativity. He is working as a Research Scientist at the US Naval Observatory in Washington DC.
Michael Efroimsky is a member of the International Astronomical Union and the American Astronomical Society (AAS).
In 2008 - 2009, he served as the Chair of the Division on Dynamical Astronomy of the AAS.
With Sergei Kopeikin and George Kaplan, Michael Efroimsky co-authored a book on the relativistic celestial mechanics of the solar system.
With Benoit Noyelles, Julien Frouard and Valeri V. Makarov, Michael Efroimsky co-authored a theory explaining the origin of the present state of rotation of the planet Mercury, a so-called 3:2 spin-orbit resonance.
As of March 19, 2017, Google Scholar returns for him an h index of 21, with a total number of citations equal to 1232.
According to NASA ADS, his h index is 20, with 1031 citations (the number of non-self citations being 832).
The tori index is 30.8, and the riq index is 221.